TRANSACTIONS (SERIES II.). 



Vol. I.— Parts 1-25,— November, 1877, to September, 1883. 



Vol. II.— Parts 1-2.— August, 1879, to April, 1882. 



Vol. III.— Parts 1-14.— September, 1883, to November, 1887. 



Vol. IV.— Parts 1-14.— April, 1888, to November, 1892. 



YoL. v.— Parts 1-13.— May, 1893, to July, 1896. 



Vol. VI.— Parts 1-16.— February, 1896, to August, 1898. 



VOLUME VII. 



Pari 



1. A Determination of the "Wave-lengths of the Principal Lines in the Spectrum of Q-allium, 

 showing their Identity with Two Lines in the Solar Spectrum. By W. N. Hartley, 

 F.R.S., and Hugh Ramage, a.r.c.sc.i. Plate I. (August, 1898.) l.s. 



